Compact Stars in Hadron and Quark-Hadron Models

Details Compact Stars in Hadron and Quark-Hadron Models Compact Stars in Hadron and Quark-Hadron Models

2009-11-30

arxiv.org/abs/0911.5573v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

conference proceedings Iwara 2009

Scientific paper

We investigate strongly interacting dense matter and neutron stars using a flavor-SU(3) approach based on a non-linear realization of chiral symmetry as well as a hadronic flavor-SU(2) parity-doublet model. We study chiral symmetry restoration and the equation of state of stellar matter and determine neutron star properties using different sets of degrees of freedom. Finally, we include quarks in the model approach. We show the resulting phase diagram as well as hybrid star solutions for this model.

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